Home / 27,181,388.88-40,779,140.04-10,142,190

Finding the Fourth Proportional to 27,181,388.88, 40,779,140.04 and 10,142,190

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Solution

The fourth proportional to 27,181,388.88, 40,779,140.04 and 10,142,190 is: 15,215,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181,388.88 : 40,779,140.04 = 10,142,190 : x
  2. Step 2: Convert to fraction form
    27,181,388.88/40,779,140.04 = 10,142,190/x
  3. Step 3: Cross multiply
    27,181,388.88x = 40,779,140.04 × 10,142,190
  4. Step 4: Simplify right side
    27,181,388.88x = 413,589,786,322,287.56
  5. Step 5: Solve for x
    x = 413,589,786,322,287.56/27,181,388.88
  6. Step 6: Final answer
    x = 15,215,918.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.